Phonet: look up the resource routing table when forwarding (b6a563b2) · Commits · 戴 / test

net/phonet/af_phonet.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -251,6 +251,16 @@ int pn_skb_send(struct sock sk, struct sk_buff skb,
		else if (phonet_address_lookup(net, daddr) == 0) {
		dev = phonet_device_get(net);
		skb->pkt_type = PACKET_LOOPBACK;
		} else if (pn_sockaddr_get_object(target) == 0) {
		/* Resource routing (small race until phonet_rcv()) */
		struct sock *sk = pn_find_sock_by_res(net,
		target->spn_resource);
		if (sk) {
		sock_put(sk);
		dev = phonet_device_get(net);
		skb->pkt_type = PACKET_LOOPBACK;
		} else
		dev = phonet_route_output(net, daddr);
		} else
		dev = phonet_route_output(net, daddr);

		@@ -383,6 +393,13 @@ static int phonet_rcv(struct sk_buff skb, struct net_device dev,
		goto out;
		}

		/* resource routing */
		if (pn_sockaddr_get_object(&sa) == 0) {
		struct sock *sk = pn_find_sock_by_res(net, sa.spn_resource);
		if (sk)
		return sk_receive_skb(sk, skb, 0);
		}

		/* check if we are the destination */
		if (phonet_address_lookup(net, pn_sockaddr_get_addr(&sa)) == 0) {
		/* Phonet packet input */